Mariner 30 JET 40 (4 CYL) Service Manual page 428

4. Remove nylon washer (a), and seal (b).
5. Inspect water pump for grooves; if grooved, re-
place insert.
a - Punch
b - Insert
c - Vise
IMPORTANT: When performing gear housing re-
pairs that require water pump impeller removal,
it is recommended that the impeller be replaced.
If impeller must be reused DO NOT install in re-
verse to original rotation or premature impeller
failure will occur. Original rotation is clockwise.
90-814676R1 DECEMBER 1996
a
b
54755
a
b
c
54756
6. Remove impeller (a) and drive key (b) from drive
shaft. If necessary use a punch and hammer to
drive impeller upward off drive shaft. In extreme
instances, the impeller center hub must be split
with chisel. Take care not to damage drive shaft.
7. Remove gaskets (a) and face plate (b).
8. Inspect face plate for grooves. If grooved, re-
place face plate.
b
a
b
54757
a
54758
LOWER UNIT - 6A-7